//  Copyright (c) 2017 Luc Dion
//  Permission is hereby granted, free of charge, to any person obtaining a copy
//  of this software and associated documentation files (the "Software"), to deal
//  in the Software without restriction, including without limitation the rights
//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
//  copies of the Software, and to permit persons to whom the Software is
//  furnished to do so, subject to the following conditions:
//
//  The above copyright notice and this permission notice shall be included in
//  all copies or substantial portions of the Software.
//
//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
//  THE SOFTWARE.

#if os(iOS) || os(tvOS)
    import UIKit
#else
    import AppKit
#endif

public struct Percent {
    let value: CGFloat

    public func of(_ value: CGFloat) -> CGFloat {
        return value * self.value / 100
    }
    
    public var description: String {
        if value.truncatingRemainder(dividingBy: 1) == 0.0 {
            return "\(Int(value))%"
        } else {
            return "\(value)%"
        }
    }
}

postfix operator %

public postfix func % (v: CGFloat) -> Percent {
    return Percent(value: v)
}

public postfix func % (v: Float) -> Percent {
    return Percent(value: CGFloat(v))
}

public postfix func % (v: Double) -> Percent {
    return Percent(value: CGFloat(v))
}

public postfix func % (v: Int) -> Percent {
    return Percent(value: CGFloat(v))
}

prefix operator -
public prefix func - (p: Percent) -> Percent {
    return Percent(value: -p.value)
}
